#include<iostream>
using namespace std;

double Division(int a, int b)
{
	if (b == 0)
		throw "Division by zero condition";
	else
		return ((double)a / (double)b);
}

void Func()
{

	int len, time;
	cin >> len >> time;
	cout << Division(len, time) << endl;
}

int main()
{
	try {
		Func();
	}
	catch (int errmsg)
	{
		cout << errmsg << endl;
	}
	catch (const char* errmsg)
	{
		cout << errmsg << endl;
	}


	return 0;
}